Home / 1,981,724,972.02-2,970,623,960.10-930,581,525.77

Finding the Fourth Proportional to 1,981,724,972.02, 2,970,623,960.10 and 930,581,525.77

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Solution

The fourth proportional to 1,981,724,972.02, 2,970,623,960.10 and 930,581,525.77 is: 1,394,950,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,724,972.02 : 2,970,623,960.10 = 930,581,525.77 : x
  2. Step 2: Convert to fraction form
    1,981,724,972.02/2,970,623,960.10 = 930,581,525.77/x
  3. Step 3: Cross multiply
    1,981,724,972.02x = 2,970,623,960.10 × 930,581,525.77
  4. Step 4: Simplify right side
    1,981,724,972.02x = 2,764,407,777,278,777,344
  5. Step 5: Solve for x
    x = 2,764,407,777,278,777,344/1,981,724,972.02
  6. Step 6: Final answer
    x = 1,394,950,266.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.